Andriy Voskoboinyk d1b671061b net80211: wrap protection frame allocation into ieee80211_alloc_prot()
Move copy-pasted code for RTS/CTS frame allocation into net80211.
While here, add stat / debug message for allocation failures
(copied from run(4)) + return error here in bwn(4).

Reviewed by:	adrian
Differential Revision:	https://reviews.freebsd.org/D14628
2018-03-09 11:33:56 +00:00
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